How do I modify the read and write permissions of a file?
1. Operation: Unzip the compressed package, put the files with the .so suffix into system/bin (this folder can be seen with a file manager). (At this time, you need to modify the read and write permissions, so the phone needs to be rooted.) Then install the installation package. After entering, click menu, click on the memory card, it will automatically scan the jar files, and select install. How to modify the file permissions?
